您好,建议将gate-source 电阻改为10-MOhm, 以最大限度地减少电荷泵上的负载。 这听起来像是电荷泵过载 If you check the CP1 capacitor, I would imagine the voltage has collapsed. The charge-pump is only able to handle ~40-uA of constant DC current, while maintaining a decent drive voltage.
For example…
Other Parts Discussed in Thread: DRV3255-Q1 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/motor-drivers-group/motor-drivers/f/motor-drivers-forum/1314222/drv3255-q1-mosfet-drive-capability 器件型号: DRV3255-Q1 您好!
我们需要将三相…